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Math(review(
| Question | Answer | Explanation |
|---|---|---|
| Susan has 1.74lbs of apples, her brother takes 1.38lbs of apples. How many pounds of apples does Susan have now? | 0.36 | 1.74-1.38 is 0.36 |
| What is 24 Ã 15? | 360 | Multiply 24 Ã 10 = 240 and 24 Ã 5 = 120. Then add 240 + 120 = 360. |
| What is 144 ÷ 12? | 12 | Since 12 à 12 = 144, the quotient is 12. |
| What is 3/4 + 1/4? | 1 | The denominators are the same, so add the numerators: 3 + 1 = 4. 4/4 = 1. |
| What is 6.7 + 2.8? | 9.5 | Line up the decimal points and add: 6.7 + 2.8 = 9.5. |
| A rectangle is 8 inches long and 5 inches wide. What is its area? | 40 square inches | Area = length à width. 8 à 5 = 40. |
| A rectangle has a length of 9 cm and a width of 4 cm. What is its perimeter? | 26 cm | Perimeter = 9 + 9 + 4 + 4 = 26 cm. |
| What is 6 + 4 Ã 3? | 18 | Multiply first: 4 Ã 3 = 12. Then add 6 + 12 = 18. |
| A rectangular prism has a length of 4 cm, a width of 3 cm, and a height of 2 cm. What is its volume? | 24 cubic centimeters | Volume = length à width à height. 4 à 3 à 2 = 24. |
| What is 20% of 50? | 10 | 20% means 20 out of 100. Multiply 50 Ã 0.20 = 10. |
| Sarah has 48 stickers. She gives 19 to her friend. How many stickers does she have left? | 29 sticker | Subtract 19 from 48. 48 â 19 = 29. |